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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200410-04">
<title>PHP: Memory disclosure and arbitrary location file upload</title>
<synopsis>
Two bugs in PHP may allow the disclosure of portions of memory and allow
remote attackers to upload files to arbitrary locations.
</synopsis>
<product type="ebuild">PHP</product>
<announced>October 06, 2004</announced>
<revised>October 06, 2004: 01</revised>
<bug>64223</bug>
<access>remote</access>
<affected>
<package name="dev-php/php" auto="yes" arch="*">
<unaffected range="ge">4.3.9 </unaffected>
<vulnerable range="lt">4.3.9</vulnerable>
</package>
<package name="dev-php/mod_php" auto="yes" arch="*">
<unaffected range="ge">4.3.9</unaffected>
<vulnerable range="lt">4.3.9</vulnerable>
</package>
<package name="dev-php/php-cgi" auto="yes" arch="*">
<unaffected range="ge">4.3.9</unaffected>
<vulnerable range="lt">4.3.9</vulnerable>
</package>
</affected>
<background>
<p>
PHP is a general-purpose scripting language widely used to develop
web-based applications. It can run inside a web server using the mod_php
module or the CGI version of PHP, or can run stand-alone in a CLI.
</p>
</background>
<description>
<p>
Stefano Di Paola discovered two bugs in PHP. The first is a parse error in
php_variables.c that could allow a remote attacker to view the contents of
the target machine's memory. Additionally, an array processing error in the
SAPI_POST_HANDLER_FUNC() function inside rfc1867.c could lead to the
$_FILES array being overwritten.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could exploit the first vulnerability to view memory
contents. On a server with a script that provides file uploads, an attacker
could exploit the second vulnerability to upload files to an arbitrary
location. On systems where the HTTP server is allowed to write in a
HTTP-accessible location, this could lead to remote execution of arbitrary
commands with the rights of the HTTP server.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All PHP, mod_php and php-cgi users should upgrade to the latest stable
version:
</p>
<code>
# emerge sync
# emerge -pv ">=dev-php/php-4.3.9"
# emerge ">=dev-php/php-4.3.9"
# emerge -pv ">=dev-php/mod_php-4.3.9"
# emerge ">=dev-php/mod_php-4.3.9"
# emerge -pv ">=dev-php/php-cgi-4.3.9"
# emerge ">=dev-php/php-cgi-4.3.9"</code>
</resolution>
<references>
<uri link="http://secunia.com/advisories/12560/">Secunia Advisory</uri>
<uri link="http://www.securityfocus.com/archive/1/375294">BugTraq post regarding the php_variables.c issue</uri>
<uri link="http://www.securityfocus.com/archive/1/375370">BugTraq post regarding the rfc1867.c issue</uri>
</references>
<metadata tag="requester" timestamp="Wed, 29 Sep 2004 20:40:17 +0000">
dmargoli
</metadata>
<metadata tag="bugReady" timestamp="Thu, 30 Sep 2004 20:25:12 +0000">
koon
</metadata>
<metadata tag="submitter" timestamp="Sun, 3 Oct 2004 18:04:56 +0000">
dmargoli
</metadata>
</glsa>
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